Title (en)

Method and apparatus for navigating an automatic guided vehicle.

Title (de)

Navigationsverfahren und -vorrichtung für ein automatisch geführtes Fahrzeug.

Title (fr)

Procédé et dispositif de navigation pour un véhicule guidé automatiquement.

Publication

EP 0492015 A1 19920701 (EN)

Application

EP 90314395 A 19901228

Priority

EP 90314395 A 19901228

Abstract (en)

A method and apparatus for obtaining the position and heading of an automated guided vehicle using the differential times-of-flight of ultrasonic waves received by a receiver from three or more ultrasonic transponders, or one transponder and three or more receivers, to determine the position and heading of the AGV. <IMAGE>

IPC 1-7

G01S 5/28; G05D 1/02; G05D 1/03

IPC 8 full level

G01S 5/26 (2006.01); G05D 1/02 (2006.01)

CPC (source: EP)

G01S 5/26 (2013.01); G05D 1/0255 (2013.01)

Citation (search report)

• [Y] FR 2302533 A1 19760924 - CIT ALCATEL [FR]
• [Y] US 4042904 A 19770816 - COBB A DONN
• [X] Mechatronics Systems Engineering vol. 1, no. 2, 13 December 1990, DORDRECHT NL pages 131 - 138; J. Salagnac et al.: "Positioning with Ultra-Sonic Sensors: Review of Techniques and Presentation of a new System"
• [Y] IEEE TRANSACTIONS ON ACOUSTICS,SPEECH AND SIGNAL PROCESSING. vol. 36, no. 1, January 1988, NEW YORK US pages 3 - 9; M. ALLEN ET AL.: "An Adaptative two Stage Kalman Structure for Passive Undersea Tracking"

Designated contracting state (EPC)

BE CH DE FR GB IT LI NL SE

DOCDB simple family (publication)

EP 0492015 A1 19920701; JP H04308905 A 19921030

DOCDB simple family (application)

EP 90314395 A 19901228; JP 34735991 A 19911227